Add pixdesctest filter and corresponding test.
Originally committed as revision 24092 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
parent
4d508e4de5
commit
ce2e4ae35a
1
Makefile
1
Makefile
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@ -268,6 +268,7 @@ LAVFI_TESTS = \
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vflip \
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vflip_crop \
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vflip_vflip \
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lavfi_pixdesc \
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# lavfi_pix_fmts \
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ACODEC_TESTS := $(addprefix regtest-, $(ACODEC_TESTS) $(ACODEC_TESTS-yes))
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@ -112,6 +112,18 @@ The default value of @var{color} is ``black''.
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@end table
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@section pixdesctest
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Pixel format descriptor test filter, mainly useful for internal
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testing. The output video should be equal to the input video.
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For example:
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@example
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format=monow, pixdesctest
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@end example
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can be used to test the monowhite pixel format descriptor definition.
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@section scale
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Scale the input video to @var{width}:@var{height} and/or convert the image format.
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@ -20,6 +20,7 @@ OBJS-$(CONFIG_FORMAT_FILTER) += vf_format.o
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OBJS-$(CONFIG_NOFORMAT_FILTER) += vf_format.o
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OBJS-$(CONFIG_NULL_FILTER) += vf_null.o
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OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o
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OBJS-$(CONFIG_PIXDESCTEST_FILTER) += vf_pixdesctest.o
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OBJS-$(CONFIG_PIXELASPECT_FILTER) += vf_aspect.o
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OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o
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OBJS-$(CONFIG_SLICIFY_FILTER) += vf_slicify.o
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@ -40,6 +40,7 @@ void avfilter_register_all(void)
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REGISTER_FILTER (NOFORMAT, noformat, vf);
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REGISTER_FILTER (NULL, null, vf);
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REGISTER_FILTER (PAD, pad, vf);
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REGISTER_FILTER (PIXDESCTEST, pixdesctest, vf);
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REGISTER_FILTER (PIXELASPECT, pixelaspect, vf);
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REGISTER_FILTER (SCALE, scale, vf);
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REGISTER_FILTER (SLICIFY, slicify, vf);
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@ -25,7 +25,7 @@
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#include "libavutil/avutil.h"
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#define LIBAVFILTER_VERSION_MAJOR 1
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#define LIBAVFILTER_VERSION_MINOR 21
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#define LIBAVFILTER_VERSION_MINOR 22
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#define LIBAVFILTER_VERSION_MICRO 0
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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128
libavfilter/vf_pixdesctest.c
Normal file
128
libavfilter/vf_pixdesctest.c
Normal file
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@ -0,0 +1,128 @@
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/*
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* This file is part of FFmpeg.
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* copyright (C) 2009 Stefano Sabatini
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* pixdesc test filter
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*/
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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typedef struct {
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const AVPixFmtDescriptor *pix_desc;
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uint16_t *line;
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} PixdescTestContext;
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static av_cold void uninit(AVFilterContext *ctx)
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{
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PixdescTestContext *priv = ctx->priv;
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av_freep(&priv->line);
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}
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static int config_props(AVFilterLink *inlink)
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{
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PixdescTestContext *priv = inlink->dst->priv;
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priv->pix_desc = &av_pix_fmt_descriptors[inlink->format];
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if (!(priv->line = av_malloc(sizeof(*priv->line) * inlink->w)))
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return AVERROR(ENOMEM);
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return 0;
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}
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static void start_frame(AVFilterLink *inlink, AVFilterPicRef *picref)
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{
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PixdescTestContext *priv = inlink->dst->priv;
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AVFilterLink *outlink = inlink->dst->outputs[0];
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AVFilterPicRef *outpicref;
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int i;
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outlink->outpic = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
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outlink->w, outlink->h);
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outpicref = outlink->outpic;
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avfilter_copy_picref_props(outpicref, picref);
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for (i = 0; i < 4; i++) {
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int h = outlink->h;
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h = i == 1 || i == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
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if (outpicref->data[i]) {
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uint8_t *data = outpicref->data[i] +
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(outpicref->linesize[i] > 0 ? 0 : outpicref->linesize[i] * (h-1));
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memset(data, 0, FFABS(outpicref->linesize[i]) * h);
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}
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}
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/* copy palette */
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if (priv->pix_desc->flags & PIX_FMT_PAL)
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memcpy(outpicref->data[1], outpicref->data[1], 256*4);
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avfilter_start_frame(outlink, avfilter_ref_pic(outpicref, ~0));
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}
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static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
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{
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PixdescTestContext *priv = inlink->dst->priv;
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AVFilterPicRef *inpic = inlink->cur_pic;
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AVFilterPicRef *outpic = inlink->dst->outputs[0]->outpic;
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int i, c, w = inlink->w;
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for (c = 0; c < priv->pix_desc->nb_components; c++) {
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int w1 = c == 1 || c == 2 ? w>>priv->pix_desc->log2_chroma_w : w;
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int h1 = c == 1 || c == 2 ? h>>priv->pix_desc->log2_chroma_h : h;
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int y1 = c == 1 || c == 2 ? y>>priv->pix_desc->log2_chroma_h : y;
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for (i = y1; i < y1 + h1; i++) {
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read_line(priv->line,
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inpic->data,
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inpic->linesize,
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priv->pix_desc,
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0, i, c, w1, 0);
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write_line(priv->line,
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outpic->data,
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outpic->linesize,
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priv->pix_desc,
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0, i, c, w1);
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}
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}
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avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
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}
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AVFilter avfilter_vf_pixdesctest = {
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.name = "pixdesctest",
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.description = "Test pixel format definitions.",
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.priv_size = sizeof(PixdescTestContext),
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.uninit = uninit,
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.inputs = (AVFilterPad[]) {{ .name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.start_frame = start_frame,
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.draw_slice = draw_slice,
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.config_props = config_props,
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.min_perms = AV_PERM_READ, },
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{ .name = NULL}},
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.outputs = (AVFilterPad[]) {{ .name = "default",
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.type = AVMEDIA_TYPE_VIDEO, },
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{ .name = NULL}},
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};
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@ -86,6 +86,26 @@ if [ -n "$do_lavfi_pix_fmts" ]; then
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done
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fi
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if [ -n "$do_lavfi_pixdesc" ]; then
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pix_fmts="$($ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2)"
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ref_file=tests/ref/lavfi/lavfi_pixdesc
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rm -f $ref_file
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res_file=$logfile
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for pix_fmt in $pix_fmts; do
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# print to the reference logfile
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logfile=$ref_file
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do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \
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"-vf slicify=random,format=$pix_fmt -vcodec rawvideo -pix_fmt $pix_fmt"
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# print to the result logfile
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logfile=$res_file
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do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \
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"-vf slicify=random,format=$pix_fmt,pixdesctest -vcodec rawvideo -pix_fmt $pix_fmt"
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done
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fi
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# TODO: add tests for
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# direct rendering,
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# chains with feedback loops
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